README.md aktualisiert

README.md

@@ -1,14 +1,25 @@
-
 # Build with Docker
 ##### Info
 IRS wireguard VPN can cause network issues with docker.
 
 ##### Install Docker
-https://www.docker.com/get-started/
+If you are using macOS or Windows, please use this tutorial:
+- https://www.docker.com/get-started/
+
+On Linux please use your package manager to install ```docker``` and prepare everything using these commands, to avoid permission denied errors:
+
+```sh 
+sudo systemctl start docker
+sudo groupadd docker
+sudo usermod -aG docker $USER   
+sudo reboot
+```
 
 
 ## FSBL
 
+FSBL is the First Stage Boot Loader and prepares the CPU and FPGA configuration for booting up the Second Stage Bootloader and finally the flight software. 
+
 ##### Clone the repository and build the docker image:
 
 ```sh